对面向主题的信息采集技术进行了探索性研究。
An explorative study on subject oriented web information acquisition techniques is provided.
为保证主题搜索引擎返回信息的准确性，开展对承担主题相关信息采集任务的主题爬虫系统研究具有重要意义。
It is of great significance for researchers to study the information collection related topical crawler system to ensure the topical search engine returns the information accurately.
同时，勘探数据具有显著的多源、多类、多维、多量、多时态和多主题特征，给数据的采集、存储、管理和应用带来了巨大困难。
Simultaneously, exploration data have the characteristic of multiple sources, multiple types, multiple dimensions, multiple numbers, multiple tense and multiple subjects characteristic.
应用推荐